package com.mmall.controller.backand;

import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.User;
import com.mmall.service.ICategoryService;
import com.mmall.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

/**
 * @Author: 黄建
 * @Date: 2019/11/25 10:17
 */
@Controller
@RequestMapping(value = "/manager/category")
public class CategoryManagerController {

    @Autowired
    private IUserService iUserService;

    @Autowired
    private ICategoryService iCategoryService;

    /**
     * 添加品类
     *
     * @param session
     * @param categoryName
     * @param parentId
     * @return
     */
    @RequestMapping(value = "/add_category.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse addCategory(HttpSession session, String categoryName, @RequestParam(value = "parentId", defaultValue = "0") int parentId) {
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null) {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登录，请登录");
        }
        //判断用户权限
        if (iUserService.checkAdminRole(user).isSuccess()) {
            return iCategoryService.addCategory(categoryName, parentId);
        } else {
            return ServerResponse.createBySuccessMessage("需要管理员权限");
        }
    }

    @RequestMapping(value = "/set_category_name.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse setCategoryName(HttpSession session, Integer categoryId, String categoryNam) {
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null) {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登录，请登录");
        }
        //判断用户权限
        if (iUserService.checkAdminRole(user).isSuccess()) {
            //更新品类名称
            return iCategoryService.updateCategoryName(categoryId, categoryNam);
        } else {
            return ServerResponse.createBySuccessMessage("需要管理员权限");
        }
    }

    @RequestMapping(value = "/get_category.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse getChildrenParallelCategory(HttpSession session, @RequestParam(value = "categoryId", defaultValue = "0") Integer categoryId) {
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null) {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登录，请登录");
        }
        //判断用户权限
        if (iUserService.checkAdminRole(user).isSuccess()) {
            //查询子节点的category信息，并且不递归
            return iCategoryService.getChildrenParallelCategory(categoryId);
        } else {
            return ServerResponse.createBySuccessMessage("需要管理员权限");
        }
    }

    @RequestMapping(value = "/get_deep_category.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse getCategoryAndDeepChildrenCategory(HttpSession session, @RequestParam(value = "categoryId", defaultValue = "0") Integer categoryId) {
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null) {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登录，请登录");
        }
        //判断用户权限
        if (iUserService.checkAdminRole(user).isSuccess()) {
            //查询当前子节点的id和递归子节点的id
            return iCategoryService.selectCategoryAndChildrenById(categoryId);
        } else {
            return ServerResponse.createBySuccessMessage("需要管理员权限");
        }
    }

}
